imageconvolution
imageconvolution
(PHP 5 >= 5.1.0, PHP 7)
imageconvolution — Apply a 3x3 convolution matrix, using coefficient and offset
Description
bool imageconvolution ( resource $image , array $matrix , float $div , float $offset )
Applies a convolution matrix on the image, using the given coefficient and offset.
Parameters
-
image -
An image resource, returned by one of the image creation functions, such as 登录查看完整内容
